Update app.py

app.py

@@ -732,6 +732,7 @@ elif app_mode == "Predictions":
     else:
         st.write("Please train a model first in the 'Model Training' section.")
 
+elif app_mode == "Visualization Lab":
 st.title("🔬 Advanced Data Visualization and Clustering Lab")
 
 # Initialize session state for cleaned data